ODBC( true = -1) and MS-Access

I've configure the ODBC drawing to use true as -1.  However, I get the
following error message when Access tries to use -1 as true.

2009-09-29 13:12:15 PDTLOG:  statement:
  SELECT "MS1"."buildingnbr","MS1"."drawingnbr"
  FROM "public"."buildingdrawings" "MS1"
  WHERE (("buildingnbr" = 'B-1085' )
  AND ("haspressurization" = -1 ) )
ORDER BY "MS1"."drawingnbr"
2009-09-29 13:12:15 PDTERROR:  operator does not exist: boolean =
integer at character 146
2009-09-29 13:12:15 PDTHINT:  No operator matches the given name and
argument type(s). You might need to add explicit type casts.

The version of the odbc driver is 8.04.01.00.

Is this a bug?

--
Regards,
Richard Broersma Jr.

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